VAN NAME: SIMPLE ASCIDIANS. 567 
between Denmark and Norway (N. lat. 58° 06', W. long. 9° 0', 660 
meters). It has not been reported elsewhere. 
Tethyum finmarkiense (Kiaer). 
PI. 61, fig. 101-103; PI. 73, fig. 159; text-fig. 35. 
1851. Ascidia sp. Sars, Nyt Mag. Naturvidensk., vol. 6, p. 156. 
1858. Cynthia gutta (err., non Stimpson, 1852) Sars, Forh. Vidensk. Selsk. 
Christiania, p. 65. 
? 1860. Cynthia gutta Liitken, Vidensk. Meddel. Naturhist. For. Kjobenhavn, 
no. 9, p. 7. 
1893. Polycarpa finmarkiejisis Kiaer, Forh. Vidensk. Selsk. Christiania, 
p. 60, pi. 2, fig. 20-25. 
1896. Polycarpa jimnarkiensis Kiaer, Norske Nordhavs-Exped., vol. 23, 
no. 3, p. 12. 
1903. Styela finmarkiensis Hartmeyer, in Romer and Schaudinn, Fauna 
Arctica, vol. 3, p. 224. 
1908. Styela finmarkiensis Redikorzew, Trav. Soc. Nat. St. P6tersbourg, 
vol. 39, pp. 20, 25, 42. 
1908. Styela finmarkiensis Bjerkan, Tromsoe Mus. Aarshefter, no. 25, p. 
66, fig. 2. 
1909. Tethyum finmarkiense Hartmeyer, Bronn's Tier-reich, vol. 3, suppL, 
p. 1359. 
The single specimen in the collection is dome-shaped, 26 mm. long, 
17 mm. wide, and about 10 mm. high, attached to a shell by the entire 
ventral surface. The substance of the test spreads out over the sur- 
Text-flg. 35. — Tethyum finmarkiense (Kiaer). X 1.6. 
face of the shell to which the specimen is attached for a considerable 
width (at one point over 10 ram.) beyond the edge of the body. 
Apertures both four-lobed, situated on low papillae about 10 mm. 
apart on the dorsal surface. Outer surface of test smooth but not 
shining, pale yellowish white in the alcoholic specimen, free from all 
foreign materials, and scarcely at all wrinkled. Test rather thin yet 
firm and rigid. 
